1210000010 has 16 divisors (see below), whose sum is σ = 2179161576. Its totient is φ = 483741888.

The previous prime is 1209999997. The next prime is 1210000013. The reversal of 1210000010 is 100000121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1118434249 + 91565761 = 33443^2 + 9569^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a junction number, because it is equal to n+sod(n) for n = 1209999949 and 1210000003.

It is not an unprimeable number, because it can be changed into a prime (1210000013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11969 + ... + 50628.

Almost surely, 2^1210000010 is an apocalyptic number.

1210000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210000010 is a deficient number, since it is larger than the sum of its proper divisors (969161566).

1210000010 is a wasteful number, since it uses less digits than its factorization.

1210000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64537.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1210000010 is about 34785.0544055921. The cubic root of 1210000010 is about 1065.6022397022.

Adding to 1210000010 its reverse (100000121), we get a palindrome (1310000131).

The spelling of 1210000010 in words is "one billion, two hundred ten million, ten", and thus it is an aban number.